Finding the Fourth Proportional to 651,689.81, 977,687.72 and 202,387.49
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Solution
The fourth proportional to 651,689.81, 977,687.72 and 202,387.49 is: 303,628.75
Step by Step Solution
- Step 1: Write the proportion equation
651,689.81 : 977,687.72 = 202,387.49 : x - Step 2: Convert to fraction form
651,689.81/977,687.72 = 202,387.49/x - Step 3: Cross multiply
651,689.81x = 977,687.72 × 202,387.49 - Step 4: Simplify right side
651,689.81x = 197,871,762,642.69 - Step 5: Solve for x
x = 197,871,762,642.69/651,689.81 - Step 6: Final answer
x = 303,628.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.